OpenTechnical

OT-2026-000044750

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000044750) never changes.

Identity and time

Publication numberOT-2026-000044750 · never reused
Internal UUID01a0ae7c-911a-7ed6-b4d8-2113b4b3d67e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044750
StatusPUBLIC

Content hashes

Canonical text434dbe5138bfad3fa326b463d43882cac490359dee2092e7ff8ad4ea44ddaa2b
Markdownbae20f08334e3c4ef878d3d454d7e5cd0ce7267ea6d5a102a1ac7733d2c10955
PDF
Publication page01f4c153151df2480804c79e7422110dd2c1440ffde89451627314bdb32b5159
Manifest84b695e858ff0c5290c03d471aecef03ad96f1097e3095a53dc3102d7f6ba96a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturerU3g2iL+UbSRAmOvyGoyhhn1zMOThcvyRqnGbKTxIxaeTt1RrotEOSv155NGCakUw+PtLIei8+Bl22fe5yVDDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:21.982237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044750
observed 01f4c153151df2480804c79e7422110d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.966012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044750/manifest.json
observed 84b695e858ff0c5290c03d471aecef03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.948380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044750/publication.md
observed bae20f08334e3c4ef878d3d454d7e5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.931173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044750/publication.txt
observed 434dbe5138bfad3fa326b463d43882ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.